I played two CD's during my testing, and there are no issues (I played the music for around 30 minutes). I also pressed every face button, and they work as they should. Below are some specs from the internet.
Digital converter: 4 x PCM56P-K, 18 bit, 8 x oversampling. Frequency response: 2Hz to 20kHz. Signal to Noise Ratio: 112dB. Total harmonic distortion: 0.003%.
Line output: 2.5V (unbalanced), 2V (balanced). The item "Tested Vintage Technics SL-P1300 Professional CD Player" is in sale since Friday, May 31, 2019. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Home Audio Components\CD Players & Recorders". The seller is "gameabuser" and is located in San Diego, California. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Belize, Saint lucia, Bangladesh, Bolivia, Cayman islands, Sri lanka, Martinique, Uruguay.